- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 21/04 - Arrangements for measuring electric power or power factor by thermal methods in circuits having distributed constants
Patent holdings for IPC class G01R 21/04
Total number of patents in this class: 5
10-year publication summary
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0
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0
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1
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1
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ROHDE & Schwarz GmbH & Co. KG | 1996 |
2 |
| Qualcomm Incorporated | 92859 |
1 |
| Fujitsu Limited | 16854 |
1 |
| Renishaw plc | 758 |
1 |
| Other owners | 0 |